package com.example.tests;

import java.io.File;
import java.io.IOException;
import java.util.Iterator;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import com.example.utils.SortedListOf;
//import static com.example.tests.GroupDataGenerator.loadGroupsFromCsvFile;
import static com.example.tests.GroupDataGenerator.loadGroupsFromXmlFile;
import static org.junit.Assert.assertThat;
import static org.hamcrest.Matchers.*;

public class GroupCreationTests extends TestBase {
	
	@DataProvider
	public Iterator<Object[]> groupsFromFile() throws IOException {
		return wrapGroupsForDataProvider(loadGroupsFromXmlFile(new File("groups.xml"))).iterator();
	}	
	
	@Test(dataProvider = "groupsFromFile")
	public void testGroupCreationWithValidData(GroupData group) throws Exception {
		// save old state
		SortedListOf<GroupData> oldList = app.getGroupHelper().getGroups();
		
		// actions
		app.getGroupHelper().createGroup(group);
		
		// save new state
		SortedListOf<GroupData> newList = app.getGroupHelper().getGroups();
		
		// compare states
		assertThat(newList, equalTo(oldList.withAdded(group)));
	}

}
